/**
 * Vector store prompt for OpenSearch. This prompt details supported filter operators, syntax, and usage examples.
 * Use this as a guide for constructing valid filters for OpenSearch vector queries in Mastra.
 */
export declare const OPENSEARCH_PROMPT = "When querying OpenSearch, you can ONLY use the operators listed below. Any other operators will be rejected.\nImportant: Do not explain how to construct the filter\u2014use the specified operators and fields to search the content and return relevant results.\nIf a user tries to use an unsupported operator, reject the filter entirely and let them know that the operator is not supported.\n\nBasic Comparison Operators:\n- $eq: Exact match (default for field: value)\n  Example: { \"category\": \"electronics\" }\n- $ne: Not equal\n  Example: { \"category\": { \"$ne\": \"electronics\" } }\n- $gt: Greater than\n  Example: { \"price\": { \"$gt\": 100 } }\n- $gte: Greater than or equal\n  Example: { \"price\": { \"$gte\": 100 } }\n- $lt: Less than\n  Example: { \"price\": { \"$lt\": 100 } }\n- $lte: Less than or equal\n  Example: { \"price\": { \"$lte\": 100 } }\n\nArray Operators:\n- $in: Match any value in array\n  Example: { \"category\": { \"$in\": [\"electronics\", \"books\"] } }\n- $nin: Does not match any value in array\n  Example: { \"category\": { \"$nin\": [\"electronics\", \"books\"] } }\n- $all: Match all values in array\n  Example: { \"tags\": { \"$all\": [\"premium\", \"sale\"] } }\n\nLogical Operators:\n- $and: Logical AND (implicit when using multiple conditions)\n  Example: { \"$and\": [{ \"price\": { \"$gt\": 100 } }, { \"category\": \"electronics\" }] }\n- $or: Logical OR\n  Example: { \"$or\": [{ \"price\": { \"$lt\": 50 } }, { \"category\": \"books\" }] }\n- $not: Logical NOT\n  Example: { \"$not\": { \"category\": \"electronics\" } }\n\nElement Operators:\n- $exists: Check if field exists\n  Example: { \"rating\": { \"$exists\": true } }\n\nRegex Operator:\n- $regex: Match using a regular expression (ECMAScript syntax)\n  Example: { \"name\": { \"$regex\": \"^Sam.*son$\" } }\n  Note: Regex queries are supported for string fields only. Use valid ECMAScript patterns; invalid patterns will throw an error.\n\nRestrictions:\n- Nested fields are supported using dot notation (e.g., \"address.city\").\n- Multiple conditions on the same field are supported (e.g., { \"price\": { \"$gte\": 100, \"$lte\": 1000 } }).\n- Only logical operators ($and, $or, $not) can be used at the top level.\n- All other operators must be used within a field condition.\n  Valid: { \"field\": { \"$gt\": 100 } }\n  Valid: { \"$and\": [...] }\n  Invalid: { \"$gt\": 100 }\n- Logical operators must contain field conditions, not direct operators.\n  Valid: { \"$and\": [{ \"field\": { \"$gt\": 100 } }] }\n  Invalid: { \"$and\": [{ \"$gt\": 100 }] }\n- $not operator:\n  - Must be an object\n  - Cannot be empty\n  - Can be used at field level or top level\n  - Valid: { \"$not\": { \"field\": \"value\" } }\n  - Valid: { \"field\": { \"$not\": { \"$eq\": \"value\" } } }\n- Array operators work on array fields only.\n- Empty arrays in conditions are handled gracefully.\n- Regex queries are case-sensitive by default; use patterns accordingly.\n\nExample Complex Query:\n{\n  \"$and\": [\n    { \"category\": { \"$in\": [\"electronics\", \"computers\"] } },\n    { \"price\": { \"$gte\": 100, \"$lte\": 1000 } },\n    { \"tags\": { \"$all\": [\"premium\"] } },\n    { \"rating\": { \"$exists\": true, \"$gt\": 4 } },\n    { \"$or\": [\n      { \"stock\": { \"$gt\": 0 } },\n      { \"preorder\": true }\n    ]},\n    { \"name\": { \"$regex\": \"^Sam.*son$\" } }\n  ]\n}";
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